Home / 65,662.24-98,485.14-18,280.90

Finding the Fourth Proportional to 65,662.24, 98,485.14 and 18,280.90

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Solution

The fourth proportional to 65,662.24, 98,485.14 and 18,280.90 is: 27,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,662.24 : 98,485.14 = 18,280.90 : x
  2. Step 2: Convert to fraction form
    65,662.24/98,485.14 = 18,280.90/x
  3. Step 3: Cross multiply
    65,662.24x = 98,485.14 × 18,280.90
  4. Step 4: Simplify right side
    65,662.24x = 1,800,396,995.83
  5. Step 5: Solve for x
    x = 1,800,396,995.83/65,662.24
  6. Step 6: Final answer
    x = 27,419.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.